Regional Price Parities: All Items: Nonmetropolitan Portion for Washington was 101.09500 Index in January of 2022, according to the United States Federal Reserve. Historically, Regional Price Parities: All Items: Nonmetropolitan Portion for Washington reached a record high of 101.09500 in January of 2022 and a record low of 94.57600 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for Regional Price Parities: All Items: Nonmetropolitan Portion for Washington - last updated from the United States Federal Reserve on April of 2024.